Noise Reduction Clamp - Neoprene Lined 8" NOISE REDUCTION CLAMP (FK 200) These clamps are used with fans, carbon filters and ducting. The neoprene lining makes for a tight, vibration free fit. Also use to clamp two 6 Sun Tubes together.  | Manufacturer's Product Information |  | | 2007 MSRP Each $ | 11.49 | Case Weight | 0.79 LB | Case Dimensions | 9. x 9. x 2.5 IN | Case Quantity | 2 | | — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. |